Farming Systems to improve crop tolerance to frost - stubble rate

CC BY 4.0

Research organisaton
Funding source

Trial details

Researcher(s) Ben Biddulph (DAFWA)
Rebecca Smith (Living Farm)
Chloe Turner (Facey)
Year(s) 2016
Contributor Facey Group
Trial location(s) Wickepin, WA
Farming Systems to improve crop tolerance to frost - stubble rate locations

Determine thresholds of stubble loads (0, 1, 2 & 4t/ha) which increase severity and duration of frosts, and associated frost risks.

Key messages

The interim temperature results suggest that retaining 4t/ha of stubble significantly increases the severity and duration of frosts when compared to 0t/ha. On all occasions, reducing stubble loads to 0t/ha reduced the severity and duration.

Lead research organisation Facey Group
Host research organisation N/A
Trial funding source GRDC
Related program N/A

GRDC for funding the trial through the National Frost Initiative. Peter Hanson, Theweatherlogger for installation, maintenance and data acquisition of onsite weather station. Scott Young for providing the trial site and providing stubble for the treatments, carrying out the seeding and agronomic management.

Other trial partners DAFWA; Living Farm
Download the trial report to view additional trial information


Crop type Cereal (Grain): Wheat
Treatment type(s)
  • Stubble
Trial type Experimental
Trial design Replicated

Wickepin 2016

Sow rate or Target density 70kg/ha
Sow date 19 May 2016
Harvest date Not specified
Plot size 10m x 10m
Plot replication 4

Pre-Seeding – MOP 40kg/ha

IBS – MAP TE 50kg/ha, MOP 20kg/ha, Flexi-N Banded 50L/ha

Post – Urea 65kg


Pre-seeding – Glyphosate 1L/ha, Ester 0.3L/ha, Paraquat 0.7L/ha, Boxer Gold 2.5L/ha, Diuron 0.3kg/ha

Post – Paragon 0.35L/ha, Logran 10g/ha, Brom MA 0.5L/ha


Seeding – Flutriafol 30L/ha

Download the trial report to view additional method/treatment information
Trial source data and summary not available
Check the trial report PDF for trial results.
Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Wickepin, WA Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Wickepin, WA Sodosol
Soil Moisture Source: BOM/ANU
Average amount of water stored in the soil profile during the year, estimated by the OzWALD model-data fusion system.
Year Wickepin WA
2016 260.4mm
2015 277.0mm
2014 297.7mm
2013 325.7mm
2012 321.3mm
2011 271.9mm
2010 250.0mm
2009 269.4mm
2008 267.6mm
2007 278.4mm
2006 313.1mm
2005 304.8mm
2004 274.0mm
2003 289.8mm
2002 254.0mm
2001 276.3mm
2000 372.9mm
National soil grid Source: CSIRO/TERN
NOTE: National Soil Grid data is aggregated information for background information on the wider area
Actual soil values can vary significantly in a small area and the trial soil tests are the most relevant data where available

Soil properties



Derived climate information

No observed climate data available for this trial.
Derived climate data is determined from trial site location and national weather sources.

Wickepin WA

NOTE: Exact trial site locality unknown - Climate data may not be accurate

Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.

Trial report and links

2016 trial report

Trial last modified: 22-05-2023 11:28am AEST